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Stockholders' Equity (Narrative) (Details) (USD $)
12 Months Ended 1 Months Ended
Dec. 31, 2012
Mar. 31, 2013
May 31, 2012
Post-Stock Split [Member]
Dec. 31, 2010
Term Note [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares sold in private placement     2,170,000  
Share price of shares sold in private placement     3.361  
Warrants sold in private placement     2,170,000  
Share price of warants sold in private placement     $ 1.25  
Exercise price of warrants     3.361 36.00
Net proceeds from sale of securities $ 9,100,000      
Paydown of the guarantees $ 7,000,000      
Number of options/SARs, outstanding, March 31, 2013   319,438    
Warrants   6,042,251   11,111